1 files changed, 67 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-unselected-pause.js b/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-unselected-pause.js
new file mode 100644
index 0000000000..1380eb7549
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-browser-toolbox-unselected-pause.js
@@ -0,0 +1,67 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+// Test that the debugger pauses in the multiprocess browser toolbox even when
+// it hasn't been opened.
+
+"use strict";
+
+requestLongerTimeout(4);
+
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/framework/browser-toolbox/test/helpers-browser-toolbox.js",
+  this
+);
+
+add_task(async function () {
+  await pushPref("devtools.browsertoolbox.scope", "everything");
+
+  // Make sure the toolbox opens with the webconsole initially selected.
+  await pushPref("devtools.browsertoolbox.panel", "webconsole");
+
+  const ToolboxTask = await initBrowserToolboxTask();
+  await ToolboxTask.importFunctions({
+    createDebuggerContext,
+    waitUntil,
+    waitForPaused,
+    isPaused,
+    waitForState,
+    waitForSelectedSource,
+    waitForLoadedScopes,
+    waitForElement,
+    findElement,
+    getSelector,
+    findElementWithSelector,
+    createLocation,
+  });
+  // ToolboxTask.spawn pass input arguments by stringify them via string concatenation.
+  // This mean we have to stringify the input object, but don't have to parse it from the task.
+  await ToolboxTask.spawn(selectors, async _selectors => {
+    this.selectors = _selectors;
+  });
+
+  addTab("data:text/html,<script>debugger;</script>");
+
+  // The debugger should automatically be selected.
+  await ToolboxTask.spawn(null, async () => {
+    /* global gToolbox */
+    await waitUntil(() => gToolbox.currentToolId == "jsdebugger");
+  });
+  ok(true, "Debugger selected");
+
+  // The debugger should pause.
+  await ToolboxTask.spawn(null, async () => {
+    // Wait for the debugger to finish loading.
+    await gToolbox.getPanelWhenReady("jsdebugger");
+
+    const dbg = createDebuggerContext(gToolbox);
+    await waitForPaused(dbg);
+    if (!gToolbox.isHighlighted("jsdebugger")) {
+      throw new Error("Debugger not highlighted");
+    }
+  });
+  ok(true, "Paused in new tab");
+
+  await ToolboxTask.destroy();
+});